JEE Chemistry : Chapter Wise & Topics Wise Solutions 18 Years (2002-2020)

As JEE Exams are going on in different sessions, it is best to focus on how to solve questions rather than mugging up the theories. Keeping this in mind we are providing the latest Chemistry Chapterwise Questions with detailed solutions for all the questions that were asked in JEE exam in the last 18 years. Following are the Chapter name with their respective links containing questions:

Chapter Name Download
1. Some Basic Concepts Of Chemistry Click Here
2. Structure Of Atom Click Here
3. Classification Of Elements And Periodicity In Properties Click Here
4. Chemical Bonding And Molecular Structure Click Here
5. States Of Matter Click Here
6. Thermodynamics Click Here
7. Equilibrium Click Here
8. Redox Reactions Click Here
9. Hydrogen Click Here
10. The s-Block Elements Click Here
11. The p-Block Elements (Group -13 and 14) Click Here
12. Organic Chemistry - Some Basic Principles & Techniques Click Here
13. Hydrocarbons Click Here
14. Environmental Chemistry Click Here
15. The Solid State Click Here
16. Solutions Click Here
17. Electrochemistry Click Here
18. Chemical Kinetics Click Here
19. Surface Chemistry Click Here
20. General Principles & Processes of Isolations of Elements Click Here
21. The p-Block Elements (Group -15, 16, 17, And 18) Click Here
22. The d- and f-Block Elements Click Here
23. Co-ordination Compounds Click Here
24. Haloalkanes And Haloarenes Click Here
25. Alcohols, Phenols, And Ethers Click Here
26. Aldehydes, Ketones, And Carboxylic Acids Click Here
27. Amines Click Here
28. Biomolecules Click Here
29. Polymers Click Here
30. Chemistry in Everyday Life Click Here
31. Analytical Chemistry Click Here

 

22 March, 2021, 12:29 pm

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JEE Main Exam 2021 : Answer Key Released For March Session, Check Here

The National Testing Agency (NTA) has released the answer keys for the March session of Joint Entrance Examination (JEE) Main. Given below is the direct link to check the Answer key:

Answer Key March Session

The National Testing Agency (NTA) has released the answer keys of Joint Entrance Examination (JEE) Main at its official site, jeemain.nta.nic.in. The JEE Main administering body, NTA, has released the JEE Main answer keys for the March session held between March 16 and March 18 in double shifts. Candidates who have appeared for admission to BE, BTech programs can match their answers with the JEE Main answer key so as to calculate the probable score.

Steps To Download JEE Main Answer Key:

Step 1: Visit the official website -- jeemain.nta.nic.in

Step 2: On the designated tab, click on the Display Question Paper and Answer Key Challenge link

Step 3: On the next window, enter the login credentials including application numbers and dates of birth or passwords

Step 4: Download and access the JEE main answer key

NTA has also released the JEE Main question papers of all the shifts along with the answer key. Candidates will also be allowed to raise objections against the JEE answer key. The final JEE Main answer key will be released after considering the objections raised.

According to NTA data, a total number of 6,19,638 candidates have registered for the examination. The examination was conducted in six slots in 334 cities, including 12 cities outside India in Bahrain, Colombo, Doha, Dubai, Kathmandu, Kualalumpur, Lagos, Muscat, Riyadh, Sharjah, Singapore, and Kuwait.

JEE Main will be conducted two more times this year. The next sessions will be held in April and May. NTA will open the application window for the JEE Main April 2021 session soon.

 

20 March, 2021, 4:53 pm

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JEE Physics : Chapter Wise & Topics Wise Solutions 18 Years (2020-2002)

As JEE Exams are going on in different sessions, it is best to focus on how to solve questions rather than mugging up the theories. Keeping this in mind we are providing the latest Physics Chapterwise Questions with detailed solutions for all the questions that were asked in JEE exam in the last 18 years. Following are the Chapter name with their respective links containing questions:

Chapter Name Download
1. Physical World, Units & Measurements Click Here
2. Motion in a Straight Line Click Here
3. Motion in a Plane Click Here
4. Laws of Motion Click Here
5. Work, Energy, and Power Click Here
6. System of Particles & Rotational Motion Click Here
7. Gravitation Click Here
8. Mechanical Properties of Solids Click Here
9. Mechanical Properties of Fluids Click Here
10. Thermal Properties of Matter Click Here
11. Thermodynamics Click Here
12. Kinetic Theory Click Here
13. Oscillations Click Here
14. Waves Click Here
15. Electric Charges and Fields Click Here
16. Electrostatic Potential & Capacitance Click Here
17. Current Electricity Click Here
18. Moving Charges and Magnetism Click Here
19. Magnetism and Matter Click Here
20. Electromagnetic Induction Click Here
21. Alternating Current Click Here
22. Electromagnetic Waves Click Here
23. Ray Optics and Optical Instruments Click Here
24. Wave Optics Click Here
25. Dual Nature of Radiation and Matter Click Here
26. Atoms Click Here
27. Nuclei Click Here
28. Semiconductor Electronics - Materials, Devices & Simple Circuits Click Here
29. Communication Systems Click Here

 

20 March, 2021, 12:33 pm

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JEE Main Exam 2021 : March vs February Session Analysis Difficulty Level Comparison, Weightage

This blog contains a detailed comparison of JEE Main March 2021 and February 2021 analysis for all shifts. Check the difficulty level and topic-wise weightage comparison between February and March exams here.

JEE Main 16th March Shift 1 vs 24th Feb Shift 1 Analysis:

JEE Main 16th March Shift 2 vs 24th Feb Shift 2 Analysis:

  • Surprisingly, 24th Feb Shift 2 was easy compared to 16th March Shift 2
  • The Mathematics section was lengthy in today's shift 2, and the same was easy to moderate in Shift 2 of February 24.
  • There is no change in the difficulty level of Chemistry, and it was easy in two sessions.
  • Coordinate Geometry was the chapter with high weightage in today's shift2, while Conics and Vector 3D were top weightage chapters in Feb 24 Shift 2.
  • The difficulty level of Numerical questions was average in today's shift 2, and it was easy (scoring) in Feb 24 Shift 2.
  • March 16th Shift 1 is easier than Shift 2, and the same is the case with February 24 shift 1 & 2. 
  • 2nd Shift Exam Analysis & Memory Based Question 16th March 2021

JEE Main 17th March Shift 1 vs 25th Feb Shift 1 Analysis:

  • As far as the difficulty level concerned, there is not much difference between the two sessions. The question paper was moderate in 17th March Shift 1 and 25th Feb Shift 1.
  • The mathematics section turned to be moderately difficult and lengthy in two sessions. Many students reported lengthy questions and time-consuming.
  • The chemistry section was easy in two sessions
  • Physics was easier on 25th Feb Shift 1 than today's shift 1 exam.
  • From Chemistry, Organic Chemistry dominated the question paper in 17th March Shift 1 and 25th Feb Shift 1.
  • From Mathematics, Integration and Vector 3D had decent weightage in 17th March Shift 1, while Coordinate Geometry and Integral Calculus had decent weightage in Feb 25th Shift 1
  • From Physics, Modern Physics & Electrodynamics had decent weightage in two sessions.
  • 1st Shift Exam Analysis & Memory Based Question 17th March 2021

JEE Main 17th March Shift 2 vs 25th Feb Shift 2 Analysis:

  • The overall difficulty level of 17th March Shift 2 and 25th February Shift 2 is the same, i.e., Moderate.
  • Chemistry is easier in March 17 Shift compared to the February exam.
  • In the 17th March Shift 2 exam, Mathematics was not only lengthy but also moderately difficult. However, it is not the same case with the 25th Feb Shift 2 exam, and the Mathematics section was not that difficult. 
  • Physics was moderately difficult in two sessions.
  • The calculus topic dominated the Mathematics section in 17th March Shift 2. On the other hand, Coordinate Geometry and Calculus had decent weightage in the February 25 Shift 2 exam. 
  • Modern Physics had decent weightage in two sessions.
  • Physical Chemistry had decent weightage in these two shifts.
  • 2nd Shift Exam Analysis & Memory Based Question 17th March 2021

JEE Main 18th March Shift 1 vs 26th Feb Shift 1 Analysis:

  • In terms of overall difficulty level, there has been no change. The difficulty level of the two shifts was moderate.
  • Compared to the February 26th Shift 1 exam, Mathematics was difficult and lengthy in 18th March Shift 2
  • Physics is easier in the 18th March Shift than the 26th Feb Shift 1 exam.
  • There is no change in the difficulty level of Chemistry, and most of the questions were easy. 
  • The mathematics section had a decent weightage of Functions and Coordinate Geometry questions in the 18th March Shift 1 exam, and the 26th Feb Shift 1 exam had Differential Calculus and Coordinate Geometry.
  • Modern Physics is one of the top sections with decent weightage in Physics in the two shifts.
  • From Chemistry, Physical Chemistry had more numerical-based questions in the 18th March Shift 1 exam, and this was not the same as the 26th February Shift 1 exam. 
  • 1st Shift Exam Analysis & Memory Based Question 18th March 2021

JEE Main 18th March Shift 2 vs 26th Feb Shift 2 Analysis:

  • There is no change in the overall difficulty level of the question paper, and it was moderate.
  • The mathematics section was lengthy and moderately difficult in Shift 2 of March 18, and the same was moderately easy in 26th February Shift 2.
  • The difficulty level of Physics and Chemistry is moderate and easy respectively in 18th March Shift 2 and 26th February Shift 2. However, Physics in February 26th Shift 2 exam was a little hard. 
  • Inorganic Chemistry had more weightage in 18th March Shift 2, while Organic Chemistry had high weightage in Feb 26 Shift 2
  • Modern Physics and Mechanics continued to dominate the Physics section in two shifts.
  • Coordinate Geometry had decent weightage in 18th March Shift 2, while Conics and Straight Lines had decent weightage in Feb 26 Shift 2.
  • 2nd Shift Exam Analysis & Memory Based Question 18th March 2021

 

19 March, 2021, 4:02 pm

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JEE Main Exam March Session 2021 : 2nd Shift Exam Analysis & Memory Based Question 18th March 2021

JEE Main 2021 Afternoon Session was held from 03:00 PM To 06:00 PM On 18th March 2021. Following are the links to the detailed questions with their answers provided by different coaching centers:

Resonance Question Paper With Solutions:

Subject Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

Reliable Institute Question Paper With Solutions:

Chapter Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

1st Shift Memory Based Question 18th March 2021:

Resonance Question Paper With Solutions:

Subject Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

Reliable Institute Question Paper With Solutions:

Chapter Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

2nd Shift Memory Based Question 17th March 2021:

Resonance Question Paper With Solutions:

Subject Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

Reliable Institute Question Paper With Solutions:

Chapter Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

1st Shift Memory Based Question 17th March 2021:

Resonance Question Paper With Solutions:

Subject Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

Reliable Institute Question Paper With Solutions:

Chapter Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

2nd Shift Memory Based Question 16th March 2021:

Resonance Question Paper With Solutions:

Subject Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

Reliable Institute Question Paper With Solutions:

Chapter Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

1st Shift Memory Based Question 16th March 2021:

Resonance Question Paper With Solutions:

Subject Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

Reliable Institute Question Paper With Solutions:

Chapter Name Download
Physics Click Here
Chemistry Click Here
Maths Click Here

 JEE Main 18th March 2021 Shift 2 Exam Analysis:

The exam analysis of JEE Main 18th March 2021 Shift 2 has been given below in table format. Most of the questions in Chemistry were theoretical. Mathematics turned to be lengthy again. Most of the questions from Physical Chemistry were integer-based. 

Aspect

Analysis

Overall Difficulty Level of the Exam

Moderate

Difficulty Level of Mathematics

Moderate to Difficult

Difficulty Level of Physics

Easy to Moderate

Difficulty Level of Chemistry

Easy

Chapters with More Weightage in Mathematics

  • Differential Calculus
  • Integral Calculus
  • Trigonometry
  • Coordinate Geometry

Chapters with More Weightage in Physics

  • Mechanics
  • Electrodynamics

Chapters with More Weightage in Chemistry

  • Inorganic Chemistry

Difficulty Level of Numerical Questions

Average

Expected Number of Good Attempts

71-75

Difficulty Level - Feb 26th Shift 2 vs March 18th Shift 2

Apart from Mathematics, the difficulty level is almost similar

 

 

19 March, 2021, 11:03 am

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